55377476 has 48 divisors (see below), whose sum is σ = 127196160. Its totient is φ = 20437920.

The previous prime is 55377463. The next prime is 55377479. The reversal of 55377476 is 67477355.

It is a Harshad number since it is a multiple of its sum of digits (44).

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121 + ... + 10583.

It is an arithmetic number, because the mean of its divisors is an integer number (2649920).

Almost surely, 2^55377476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55377476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63598080).

55377476 is an abundant number, since it is smaller than the sum of its proper divisors (71818684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55377476 is a wasteful number, since it uses less digits than its factorization.

55377476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504 (or 9502 counting only the distinct ones).

The product of its digits is 617400, while the sum is 44.

The square root of 55377476 is about 7441.6043969026. The cubic root of 55377476 is about 381.1632773813.

The spelling of 55377476 in words is "fifty-five million, three hundred seventy-seven thousand, four hundred seventy-six".