55309954 has 32 divisors (see below), whose sum is σ = 98334720. Its totient is φ = 22840272.

The previous prime is 55309951. The next prime is 55309957. The reversal of 55309954 is 45990355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55309951) and next prime (55309957).

It is a super-2 number, since 2×55309954² = 6118382022964232, which contains 22 as substring.

55309954 is a modest number, since divided by 9954 gives 5530 as remainder.

It is not an unprimeable number, because it can be changed into a prime (55309951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46977 + ... + 48139.

It is an arithmetic number, because the mean of its divisors is an integer number (3072960).

Almost surely, 2^55309954 is an apocalyptic number.

55309954 is a deficient number, since it is larger than the sum of its proper divisors (43024766).

55309954 is a wasteful number, since it uses less digits than its factorization.

55309954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 55309954 is about 7437.0662226445. The cubic root of 55309954 is about 381.0082963545.

The spelling of 55309954 in words is "fifty-five million, three hundred nine thousand, nine hundred fifty-four".