75077800553 has 24 divisors (see below), whose sum is σ = 95944622400. Its totient is φ = 57379200768.

The previous prime is 75077800543. The next prime is 75077800559. The reversal of 75077800553 is 35500877057.

It is not a de Polignac number, because 75077800553 - 2⁴ = 75077800537 is a prime.

It is a super-2 number, since 2×75077800553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75077800498 and 75077800507.

It is not an unprimeable number, because it can be changed into a prime (75077800559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 938198 + ... + 1015071.

It is an arithmetic number, because the mean of its divisors is an integer number (3997692600).

Almost surely, 2^75077800553 is an apocalyptic number.

It is an amenable number.

75077800553 is a deficient number, since it is larger than the sum of its proper divisors (20866821847).

75077800553 is a wasteful number, since it uses less digits than its factorization.

75077800553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953329 (or 1953312 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 75077800553 in words is "seventy-five billion, seventy-seven million, eight hundred thousand, five hundred fifty-three".