55032534 has 20 divisors (see below), whose sum is σ = 123314004. Its totient is φ = 18344124.

The previous prime is 55032499. The next prime is 55032547. The reversal of 55032534 is 43523055.

It is a super-2 number, since 2×55032534² = 6057159596922312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 55032498 and 55032507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 169692 + ... + 170015.

Almost surely, 2^55032534 is an apocalyptic number.

55032534 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55032534 is an abundant number, since it is smaller than the sum of its proper divisors (68281470).

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

55032534 is a wasteful number, since it uses less digits than its factorization.

55032534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339721 (or 339712 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 55032534 is about 7418.3916046539. The cubic root of 55032534 is about 380.3702162990.

Adding to 55032534 its reverse (43523055), we get a palindrome (98555589).

The spelling of 55032534 in words is "fifty-five million, thirty-two thousand, five hundred thirty-four".