55574085550 has 48 divisors (see below), whose sum is σ = 103737110400. Its totient is φ = 22150360800.

The previous prime is 55574085517. The next prime is 55574085583. The reversal of 55574085550 is 5558047555.

It is an interprime number because it is at equal distance from previous prime (55574085517) and next prime (55574085583).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55574085494 and 55574085503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27634045 + ... + 27636055.

It is an arithmetic number, because the mean of its divisors is an integer number (2161189800).

Almost surely, 2^55574085550 is an apocalyptic number.

55574085550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55574085550 is a deficient number, since it is larger than the sum of its proper divisors (48163024850).

55574085550 is a wasteful number, since it uses less digits than its factorization.

55574085550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721 (or 3716 counting only the distinct ones).

The product of its (nonzero) digits is 3500000, while the sum is 49.

The spelling of 55574085550 in words is "fifty-five billion, five hundred seventy-four million, eighty-five thousand, five hundred fifty".