55377499 has 8 divisors (see below), whose sum is σ = 56517120. Its totient is φ = 54249000.

The previous prime is 55377481. The next prime is 55377503. The reversal of 55377499 is 99477355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55377499 - 2¹¹ = 55375451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55377479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7674 + ... + 13024.

It is an arithmetic number, because the mean of its divisors is an integer number (7064640).

Almost surely, 2^55377499 is an apocalyptic number.

55377499 is a deficient number, since it is larger than the sum of its proper divisors (1139621).

55377499 is a wasteful number, since it uses less digits than its factorization.

55377499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561.

The product of its digits is 1190700, while the sum is 49.

The square root of 55377499 is about 7441.6059422681. The cubic root of 55377499 is about 381.1633301510.

The spelling of 55377499 in words is "fifty-five million, three hundred seventy-seven thousand, four hundred ninety-nine".