55887297494 has 16 divisors (see below), whose sum is σ = 95857239456. Its totient is φ = 23939088000.

The previous prime is 55887297493. The next prime is 55887297517. The reversal of 55887297494 is 49479278855.

55887297494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55887297493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023347 + ... + 1076574.

It is an arithmetic number, because the mean of its divisors is an integer number (5991077466).

Almost surely, 2^55887297494 is an apocalyptic number.

55887297494 is a deficient number, since it is larger than the sum of its proper divisors (39969941962).

55887297494 is a wasteful number, since it uses less digits than its factorization.

55887297494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101831.

The product of its digits is 203212800, while the sum is 68.

The spelling of 55887297494 in words is "fifty-five billion, eight hundred eighty-seven million, two hundred ninety-seven thousand, four hundred ninety-four".