55596478 has 24 divisors (see below), whose sum is σ = 97268904. Its totient is φ = 23763600.

The previous prime is 55596473. The next prime is 55596481. The reversal of 55596478 is 87469555.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55596473) 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, 67308 + ... + 68128.

It is an arithmetic number, because the mean of its divisors is an integer number (4052871).

Almost surely, 2^55596478 is an apocalyptic number.

55596478 is a deficient number, since it is larger than the sum of its proper divisors (41672426).

55596478 is a wasteful number, since it uses less digits than its factorization.

55596478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1521 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 49.

The square root of 55596478 is about 7456.3045806887. The cubic root of 55596478 is about 381.6650801999.

The spelling of 55596478 in words is "fifty-five million, five hundred ninety-six thousand, four hundred seventy-eight".