55875601 has 2 divisors, whose sum is σ = 55875602. Its totient is φ = 55875600.

The previous prime is 55875577. The next prime is 55875613. The reversal of 55875601 is 10657855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42915601 + 12960000 = 6551^2 + 3600^2 .

It is a cyclic number.

It is not a de Polignac number, because 55875601 - 2⁵ = 55875569 is a prime.

It is a super-2 number, since 2×55875601² = 6244165574222402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55875641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27937800 + 27937801.

It is an arithmetic number, because the mean of its divisors is an integer number (27937801).

Almost surely, 2^55875601 is an apocalyptic number.

It is an amenable number.

55875601 is a deficient number, since it is larger than the sum of its proper divisors (1).

55875601 is an equidigital number, since it uses as much as digits as its factorization.

55875601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 55875601 is about 7474.9983946487. The cubic root of 55875601 is about 382.3027328030.

The spelling of 55875601 in words is "fifty-five million, eight hundred seventy-five thousand, six hundred one".