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53801045 = 513182139
BaseRepresentation
bin1100110100111…
…1000001010101
310202020101011022
43031033001111
5102233113140
65201050525
71222205234
oct315170125
9122211138
1053801045
1128407581
1216026a45
13b1b954c
147206b1b
154acb0b5
hex334f055

53801045 has 8 divisors (see below), whose sum is σ = 65054880. Its totient is φ = 42711760.

The previous prime is 53801009. The next prime is 53801057. The reversal of 53801045 is 54010835.

53801045 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 de Polignac number, because none of the positive numbers 2k-53801045 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 40415 + ... + 41724.

It is an arithmetic number, because the mean of its divisors is an integer number (8131860).

Almost surely, 253801045 is an apocalyptic number.

It is an amenable number.

53801045 is a deficient number, since it is larger than the sum of its proper divisors (11253835).

53801045 is a wasteful number, since it uses less digits than its factorization.

53801045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82275.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 53801045 is about 7334.9195632945. The cubic root of 53801045 is about 377.5115444622.

The spelling of 53801045 in words is "fifty-three million, eight hundred one thousand, forty-five".

Divisors: 1 5 131 655 82139 410695 10760209 53801045