55070232 has 32 divisors (see below), whose sum is σ = 157344000. Its totient is φ = 15734304.

The previous prime is 55070203. The next prime is 55070243. The reversal of 55070232 is 23207055.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163732 + ... + 164067.

It is an arithmetic number, because the mean of its divisors is an integer number (4917000).

Almost surely, 2^55070232 is an apocalyptic number.

It is an amenable number.

55070232 is an abundant number, since it is smaller than the sum of its proper divisors (102273768).

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

55070232 is a wasteful number, since it uses less digits than its factorization.

55070232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327815 (or 327811 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 55070232 is about 7420.9320169370. The cubic root of 55070232 is about 380.4570493197.

Adding to 55070232 its reverse (23207055), we get a palindrome (78277287).

The spelling of 55070232 in words is "fifty-five million, seventy thousand, two hundred thirty-two".