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53156053 = 193597793
BaseRepresentation
bin1100101011000…
…1100011010101
310201000121101201
43022301203111
5102101443203
65135152501
71213550626
oct312614325
9121017351
1053156053
1128006a25
1215975731
13b021ab2
1470b9a4d
1549eee1d
hex32b18d5

53156053 has 8 divisors (see below), whose sum is σ = 56116800. Its totient is φ = 50211648.

The previous prime is 53156029. The next prime is 53156063. The reversal of 53156053 is 35065135.

It is a happy number.

53156053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53156053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53156063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2925 + ... + 10717.

It is an arithmetic number, because the mean of its divisors is an integer number (7014600).

Almost surely, 253156053 is an apocalyptic number.

It is an amenable number.

53156053 is a deficient number, since it is larger than the sum of its proper divisors (2960747).

53156053 is a wasteful number, since it uses less digits than its factorization.

53156053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8171.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 53156053 is about 7290.8197755808. The cubic root of 53156053 is about 375.9968806328.

The spelling of 53156053 in words is "fifty-three million, one hundred fifty-six thousand, fifty-three".

Divisors: 1 19 359 6821 7793 148067 2797687 53156053