54858071523 has 16 divisors (see below), whose sum is σ = 73964170656. Its totient is φ = 36162950400.

The previous prime is 54858071519. The next prime is 54858071539. The reversal of 54858071523 is 32517085845.

It is a Cunningham number, because it is equal to 234218²-1.

It is not a de Polignac number, because 54858071523 - 2² = 54858071519 is a prime.

It is a super-2 number, since 2×54858071523² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54858071503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117111 + ... + 351327.

It is an arithmetic number, because the mean of its divisors is an integer number (4622760666).

Almost surely, 2^54858071523 is an apocalyptic number.

54858071523 is a deficient number, since it is larger than the sum of its proper divisors (19106099133).

54858071523 is a wasteful number, since it uses less digits than its factorization.

54858071523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235094.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 54858071523 in words is "fifty-four billion, eight hundred fifty-eight million, seventy-one thousand, five hundred twenty-three".