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54400199757 = 318133399919
BaseRepresentation
bin110010101010100000…
…010010110001001101
312012102020120110221020
4302222200102301031
51342402422343012
640554025024353
73634042032321
oct625240226115
9165366513836
1054400199757
1121086549282
12a6626250b9
13518c572917
1428c0c9b981
151635d1ca8c
hexcaa812c4d

54400199757 has 4 divisors (see below), whose sum is σ = 72533599680. Its totient is φ = 36266799836.

The previous prime is 54400199747. The next prime is 54400199807. The reversal of 54400199757 is 75799100445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54400199757 - 24 = 54400199741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54400199747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9066699957 + ... + 9066699962.

It is an arithmetic number, because the mean of its divisors is an integer number (18133399920).

Almost surely, 254400199757 is an apocalyptic number.

It is an amenable number.

54400199757 is a deficient number, since it is larger than the sum of its proper divisors (18133399923).

54400199757 is a wasteful number, since it uses less digits than its factorization.

54400199757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133399922.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 54400199757 in words is "fifty-four billion, four hundred million, one hundred ninety-nine thousand, seven hundred fifty-seven".

Divisors: 1 3 18133399919 54400199757