55407077 has 12 divisors (see below), whose sum is σ = 61528416. Its totient is φ = 49482120.

The previous prime is 55407067. The next prime is 55407103. The reversal of 55407077 is 77070455.

It is not a de Polignac number, because 55407077 - 2¹² = 55402981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55407017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37568 + ... + 39014.

It is an arithmetic number, because the mean of its divisors is an integer number (5127368).

Almost surely, 2^55407077 is an apocalyptic number.

It is an amenable number.

55407077 is a deficient number, since it is larger than the sum of its proper divisors (6121339).

55407077 is a wasteful number, since it uses less digits than its factorization.

55407077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1517 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 55407077 is about 7443.5930168165. The cubic root of 55407077 is about 381.2311798647.

The spelling of 55407077 in words is "fifty-five million, four hundred seven thousand, seventy-seven".