55077375 has 32 divisors (see below), whose sum is σ = 92244672. Its totient is φ = 29184000.

The previous prime is 55077329. The next prime is 55077377. The reversal of 55077375 is 57377055.

It is not a de Polignac number, because 55077375 - 2¹⁶ = 55011839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55077377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71995 + ... + 72755.

It is an arithmetic number, because the mean of its divisors is an integer number (2882646).

Almost surely, 2^55077375 is an apocalyptic number.

55077375 is a deficient number, since it is larger than the sum of its proper divisors (37167297).

55077375 is a wasteful number, since it uses less digits than its factorization.

55077375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 128625, while the sum is 39.

The square root of 55077375 is about 7421.4132751114. The cubic root of 55077375 is about 380.4734979351.

The spelling of 55077375 in words is "fifty-five million, seventy-seven thousand, three hundred seventy-five".