55677031 has 2 divisors, whose sum is σ = 55677032. Its totient is φ = 55677030.

The previous prime is 55677029. The next prime is 55677047. The reversal of 55677031 is 13077655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55677031 - 2¹ = 55677029 is a prime.

It is a super-2 number, since 2×55677031² = 6199863561949922, which contains 22 as substring.

Together with 55677029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55677001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838515 + 27838516.

It is an arithmetic number, because the mean of its divisors is an integer number (27838516).

Almost surely, 2^55677031 is an apocalyptic number.

55677031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55677031 is an equidigital number, since it uses as much as digits as its factorization.

55677031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 55677031 is about 7461.7042959367. The cubic root of 55677031 is about 381.8493210723.

The spelling of 55677031 in words is "fifty-five million, six hundred seventy-seven thousand, thirty-one".